<template>
    <div :id="id" :class="className" :style="{ height: height, width: width }" />
  </template>
  
  <script>
  
  import '../map/fujian.js'
  
  export default {
    name: 'echart',
    props: {
      className: {
        type: String,
        default: 'chart'
      },
      id: {
        type: String,
        default: 'chart'
      },
      width: {
        type: String,
        default: '100%'
      },
      height: {
        type: String,
        default: '2.5rem'
      },
      options: {
        type: Object,
        default: ()=>({})
      }
    },
    data () {
      return {
        chart: null
      }
    },
    watch: {
      options: {
        handler (options) {
          // 设置true清空echart缓存
          this.chart.setOption(options, true)
        },
        deep: true
      }
    },
    mounted () {
      
      this.initChart();
    },
    beforeDestroy () {
      this.chart.dispose()
      this.chart = null
    },
    methods: {
      initChart () {
        // 初始化echart
        this.chart = this.$echarts.init(document.getElementById(this.id) )
        this.chart.setOption(this.options, true)
      }
    }
  }
  </script>
  
  <style>
  </style>
  